Xun Zhang

Person

Westford, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Baseline wander correction using zero and one mismatch adaptation
- Patent number 10,483,952
- Issue date Nov 19, 2019
- Oracle International Corporation
- Jianghui Su
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Multi-rate finite impulse response filter
- Patent number 10,142,134
- Issue date Nov 27, 2018
- Oracle International Corporation
- Jiangyuan Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Baud-rate clock data recovery with improved tracking performance
- Patent number 10,142,089
- Issue date Nov 27, 2018
- Oracle International Corporation
- Yuhan Yao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Baseline wander correction gain adaptation
- Patent number 9,917,607
- Issue date Mar 13, 2018
- Oracle International Corporation
- Xun Zhang
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Systems and methods for memory efficient repeatable run out processing
- Patent number 9,305,581
- Issue date Apr 5, 2016
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for detecting media flaws
- Patent number 9,244,752
- Issue date Jan 26, 2016
- Avago Technologies General IP (Singapore) Pte Ltd
- Dahua Qin
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Clock data recovery with increased frequency offset tracking
- Patent number 9,231,752
- Issue date Jan 5, 2016
- Oracle International Corporation
- Yan Yan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Servo channel with equalizer adaptation
- Patent number 9,129,647
- Issue date Sep 8, 2015
- Avago Technologies General IP (Singapore) Pte. Ltd.
- Yu Liao
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo system with signal to noise ratio marginalization
- Patent number 8,995,072
- Issue date Mar 31, 2015
- LSI Corporation
- Dahua Qin
- G11 - INFORMATION STORAGE
Information Patent Grant
Hardware support of servo format with two preamble fields
- Patent number 8,970,981
- Issue date Mar 3, 2015
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for sliding-window based phase, gain, frequency a...
- Patent number 8,958,166
- Issue date Feb 17, 2015
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for pattern detection
- Patent number 8,874,410
- Issue date Oct 28, 2014
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for burst demodulation
- Patent number 8,861,107
- Issue date Oct 14, 2014
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive servo address mark detection
- Patent number 8,755,138
- Issue date Jun 17, 2014
- LSI Corporation
- Dahua Qin
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatus for validating detection of RRO address marks
- Patent number 8,699,160
- Issue date Apr 15, 2014
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-zone servo processor
- Patent number 8,681,444
- Issue date Mar 25, 2014
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for servo data detection
- Patent number 8,665,544
- Issue date Mar 4, 2014
- LSI Corporation
- Xia Haitao
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo zone detector
- Patent number 8,625,216
- Issue date Jan 7, 2014
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for servo data based harmonics calculation
- Patent number 8,325,432
- Issue date Dec 4, 2012
- LSI Corporation
- George Mathew
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for reduced format data processing
- Patent number 8,325,433
- Issue date Dec 4, 2012
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatus for gain estimation using servo data with imp...
- Patent number 8,199,422
- Issue date Jun 12, 2012
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and apparatus for measuring servo address mark distance in...
- Patent number 8,049,982
- Issue date Nov 1, 2011
- LSI Corporation
- Jeffrey P. Grundvig
- G11 - INFORMATION STORAGE
Information Patent Grant
Systems and methods for acquiring modified rate burst demodulation...
- Patent number 7,813,065
- Issue date Oct 12, 2010
- Agere Systems Inc.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ADAPTIVE RECEIVER WITH PRE-CURSOR CANCELATION
- Publication number 20220191071
- Publication date Jun 16, 2022
- Xun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADPATIVE RECEIVER WITH PRE-CURSOR CANCELATION
- Publication number 20210135907
- Publication date May 6, 2021
- Xun Zhang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BASELINE WANDER CORRECTION USING ZERO AND ONE MISMATCH ADAPTATION
- Publication number 20190341914
- Publication date Nov 7, 2019
- ORACLE INTERNATIONAL CORPORATION
- Jianghui Su
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
BAUD-RATE CLOCK DATA RECOVERY WITH IMPROVED TRACKING PERFORMANCE
- Publication number 20180278405
- Publication date Sep 27, 2018
- Oracle International Corporation
- Yuhan Yao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-RATE FINITE IMPULSE RESPONSE FILTER
- Publication number 20180262371
- Publication date Sep 13, 2018
- Oracle International Corporation
- JIANGYUAN LI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Servo Channel With Equalizer Adaptation
- Publication number 20150179213
- Publication date Jun 25, 2015
- LSI Corporation
- Yu Liao
- G11 - INFORMATION STORAGE
Information Patent Application
Method and System for Sliding-Window Based Phase, Gain, Frequency a...
- Publication number 20140340780
- Publication date Nov 20, 2014
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Detecting Media Flaws
- Publication number 20140331108
- Publication date Nov 6, 2014
- LSI Corporation
- Dahua Qin
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Hardware Support of Servo Format with Two Preamble Fields
- Publication number 20140268397
- Publication date Sep 18, 2014
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods For Burst Demodulation
- Publication number 20140233128
- Publication date Aug 21, 2014
- LSI Corporation
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Enhanced Servo Data Processing
- Publication number 20140146413
- Publication date May 29, 2014
- LSI Corporation
- Haitao Xia
- G11 - INFORMATION STORAGE
Information Patent Application
ADAPTIVE SERVO ADDRESS MARK DETECTION
- Publication number 20140139939
- Publication date May 22, 2014
- LSI Corporation
- Dahua Qin
- G11 - INFORMATION STORAGE
Information Patent Application
Servo Zone Detector
- Publication number 20130329313
- Publication date Dec 12, 2013
- LSI CORPORATION
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
Multi-Zone Servo Processor
- Publication number 20130329312
- Publication date Dec 12, 2013
- LSI CORPORATION
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS AND APPARATUS FOR VALIDATING DETECTION OF RRO ADDRESS MARKS
- Publication number 20130107687
- Publication date May 2, 2013
- LSI Corporation
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Pattern Detection
- Publication number 20120303327
- Publication date Nov 29, 2012
- LSI CORPORATION
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Servo Data Detection
- Publication number 20120281305
- Publication date Nov 8, 2012
- LSI CORPORATION
- Haitao Xia
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Reduced Format Data Processing
- Publication number 20120182643
- Publication date Jul 19, 2012
- LSI CORPORATION
- Xun Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Servo Data Based Harmonics Calculation
- Publication number 20120033323
- Publication date Feb 9, 2012
- LSI CORPORATION
- George Mathew
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS AND APPARATUS FOR GAIN ESTIMATION USING SERVO DATA WITH IMP...
- Publication number 20120026620
- Publication date Feb 2, 2012
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Memory Efficient Repeatable Run Out Processing
- Publication number 20100142078
- Publication date Jun 10, 2010
- Viswanath Annampedu
- G11 - INFORMATION STORAGE
Information Patent Application
Systems and Methods for Acquiring Modified Rate Burst Demodulation...
- Publication number 20090268322
- Publication date Oct 29, 2009
- Agere Systems Inc.
- Viswanath Annampedu
- G11 - INFORMATION STORAGE

Person

Patents Grantslast 30 patents

Baseline wander correction using zero and one mismatch adaptation

Multi-rate finite impulse response filter

Baud-rate clock data recovery with improved tracking performance

Baseline wander correction gain adaptation

Systems and methods for memory efficient repeatable run out processing

Systems and methods for detecting media flaws

Clock data recovery with increased frequency offset tracking

Servo channel with equalizer adaptation

Servo system with signal to noise ratio marginalization

Hardware support of servo format with two preamble fields

Method and system for sliding-window based phase, gain, frequency a...

Systems and methods for pattern detection

Systems and methods for burst demodulation

Adaptive servo address mark detection

Methods and apparatus for validating detection of RRO address marks

Multi-zone servo processor

Systems and methods for servo data detection

Servo zone detector

Systems and methods for servo data based harmonics calculation

Systems and methods for reduced format data processing

Methods and apparatus for gain estimation using servo data with imp...

Methods and apparatus for measuring servo address mark distance in...

Systems and methods for acquiring modified rate burst demodulation...

Patents Applicationslast 30 patents

ADAPTIVE RECEIVER WITH PRE-CURSOR CANCELATION

ADPATIVE RECEIVER WITH PRE-CURSOR CANCELATION

BASELINE WANDER CORRECTION USING ZERO AND ONE MISMATCH ADAPTATION

BAUD-RATE CLOCK DATA RECOVERY WITH IMPROVED TRACKING PERFORMANCE

MULTI-RATE FINITE IMPULSE RESPONSE FILTER

Servo Channel With Equalizer Adaptation

Method and System for Sliding-Window Based Phase, Gain, Frequency a...

Systems and Methods for Detecting Media Flaws

Hardware Support of Servo Format with Two Preamble Fields

Systems and Methods For Burst Demodulation

Systems and Methods for Enhanced Servo Data Processing

ADAPTIVE SERVO ADDRESS MARK DETECTION

Servo Zone Detector

Multi-Zone Servo Processor

METHODS AND APPARATUS FOR VALIDATING DETECTION OF RRO ADDRESS MARKS

Systems and Methods for Pattern Detection

Systems and Methods for Servo Data Detection

Systems and Methods for Reduced Format Data Processing

Systems and Methods for Servo Data Based Harmonics Calculation

METHODS AND APPARATUS FOR GAIN ESTIMATION USING SERVO DATA WITH IMP...

Systems and Methods for Memory Efficient Repeatable Run Out Processing

Systems and Methods for Acquiring Modified Rate Burst Demodulation...